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Sulphotsumoite: Bi3Te2S
Comments: Dark gray sulphotsumoite, tarnishing, foliated in milky quartz. Location: Mina de la Carcel, Zacatecas, Mexico. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Sulvanite: Cu3VS4
Comments: Cubic grains of bronze-gray sulvanite crystals in marble. Location: Val Bona quarry, Carrara, Italy. Scale: Picture size 1 cm. © Dave Barthelmy
Sundiusite: Pb10(SO4)Cl2O8
Comments: Clear to white platy crystals to 1mm covering Hausmannite matrix. Location: Langban, Varmland, Sweden. Scale: Picture size 1 cm. © Tom Loomis / Dakota Matrix
Suolunite: Ca2Si2O5(OH)2·(H2O)
Comments: Translucent massive suolunite. Location: Oman. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Suredaite: PbSnS3
Comments: Silvery metallic columnar suredaite in matrix. Location: Pirquitas Mine, Jujuy, Argentina. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Comments: BSE image of a large zoned crystal of suredaite, chemically SU-3, surrounded (replaced) by SU-2. White is skeletal galena. (AmMin 85:1068). Location: Pirquitas Ag-Sn deposit (Province Jujuy, NW-Argentina). Scale: See Image. © American Mineralogist
Surinamite: (Mg,Fe++)3Al4BeSi3O16
Comments: PPL thin-section image of blue surinamite (Sur) enclosing orthopyroxene (Opx) and sillimanite (Sil) with corderite (Crd), and quartz (Qtz). AmMin, v65:1474. Location: South Harris Igneous Complex, N.W. Scotland. Scale: Picture Size 1.2 mm. © American Mineralogist
Surite: (Pb,Cu)2-3(CO3)1.5-2(OH,F)0.5-1[(Al,Fe+++)2(Si,Al)4O10(OH)2]·n(H2O)
Comments: Pearly white, almost micaceous surite crystals on vuggy matrix with yellow cerussite. Location: Mammoth-Saint Anthony Mine, Tiger, Pinal Co., Arizona, USA. Scale: Picture size 1 cm. © Tom Loomis / Dakota Matrix
Surkhobite: KBa3Ca2Na2(Mn, Fe++,Fe+++)16Ti8(Si2O7)8O8(OH)4 (F,O,OH)8
Comments: Small grain of reddish surkhobite. Location: Dara-i-Pioz Glacier, Altai Range, Tajikistan. Scale: Graph Size 1 mm. © Sergey Vasiliev / Systematic Mineralogy
Sursassite: Mn++2Al3(SiO4)(Si2O7)(OH)3
Comments: Coppery-red colored silky fibrous sursassite vein with white quartz in rock. Location: Strategic Manganese Mine, near Woodstock, New Brunswick, Canada. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Susannite: Pb4(SO4)(CO3)2(OH)2
Comments: White crystals of susannite on matrix. Location: Iquiqui, Sonora, Mexico. Scale: Specimen Size 1.25 x 1 x .75 inches. © Rhonda Spencer / ASDM Sonoran Desert Digital Library
Sussexite: MnBO2(OH)
Comments: Red resinous sussexite in ore matrix. Location: Sterling Mine, Ogdensburg, Sussex County, New Jersey, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Svabite: Ca5(AsO4)3F
Comments: Prismatic white crystals of svabite on matrix. Location: Harstig mine, Pajsberg, Varmland, Sweden. Scale: Not Given. © Lou Perloff / Photo Atlas of Minerals
Svanbergite: SrAl3(PO4)(SO4)(OH)6
Comments: Milky white dolomite with scattered cinnamon brown crystals of svanbergite to 2 mm across. Location: Mt. Brussilof Mine, near Radium, British Columbia, Canada. Scale: Picture size 1.5 cm. © John Veevaert
Svyazhinite: MgAl(SO4)2F·14(H2O)
Comments: Granular svyazhinite aggregate. Location: Chelyabinsk Coal Basin, Kopeisk, Chelyabinsk District, Southern Urals, Russia. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Swamboite: U++++++H6(UO2)6(SiO4)6·30(H2O)
Comments: Yellow crystals of Swamboite to 0.5 mm across. Location: Swambo, Katanga, Dem. Rep. of the Congo. Scale: Picture size 1.5 cm. © John Veevaert
Swartzite: CaMg(UO2)(CO3)3·12(H2O)
Comments: Pale yellow powdery swartzite, intermixed with gypsum on schist rock. Location: Hillside Mine, Bagdad, Yavapai County, Arizona, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species
Swedenborgite: NaBe4SbO7
Comments: Water clear, prismatic crystal of swedenborgite on matrix. Under UV light it glows intense blue. Location: Langban, Varmland, Sweden. Scale: Crystal size 1 mm. © Tom Loomis / Dakota Matrix
Sweetite: Zn(OH)2
Comments: A white, pseudocubic crystal of sweetite. Location: Milltown Quarry, Ashover, Derbyshire, England, UK. Scale: Picture size 1.4 mm. © John Betts - Fine Minerals
Swinefordite: (Li,Ca0.5,Na)0.72(Li,Al,Mg)2.66(Si,Al)4O10(OH,F)2·2(H2O)
Comments: Dark green leathery swinefordite coating on pegmatite. Location: Foote Mine, King's Mountain, Cleveland County, North Carolina, USA. Scale: See Photo. © Jeff Weissman / Photographic Guide to Mineral Species